Mice tend to sleep all day and feed, run, mate and explore at night. The time of day can affect frequently studied mouse behaviors such as wheel running and feeding, and can even affect how drug ...

he set up a night vision camera on his workbench. It captured a mouse picking up clothes pegs, corks, nuts and bolts. He has since nicknamed the well-kept rodent Welsh Tidy Mouse. The 75-year-old ...

Mouse lemurs sleep aloft during the day and forage at night for insects, fruit, flowers, and other plants. These adaptable primates store fat in their tails and hind legs, burning it when forage ...